Open invitation to tender, deadline 07/10/2025, for the renewal of operating systems in the Schmuecke tunnel (1.720 m, 1.729 m) on motorway A71, Lot 4. For bid documents click
here, where tenders must be sent. Duration of contract from 01/03/2026 to 04/12/2027. Contact Die Autobahn GmbH des Bundes - NL Ost, Halle (Saale), +49 345 94099551, email
Vergabe.ost@autobahn.de. Visit
https://ted.europa.eu/en/notice/-/detail/585303-2025. Ref.n. A1104400802. 37/25.